If this manual is not fully understood, tuning should not be attempted. Holley carburetor owners need a rebuilding guide for delivering exceptional acceleration, quick response, and superior fuel economy. I finally have my car on the road and need some help tuning. Dont be afraid to try different jets, accelerator pump cams. After setting the floats and adjusting the idle mixture, i. On the first pull, the power was way down with the little carb, but after a quick jet exercise, the motor cranked off an excellent. It was the beginning of the modular holley 4barrel, as we know it today. The previous owner had it jetted very rich but it still bogged like it had a bad accelerator pump. May 27, 2016 the 500 cfm holley 4412 is basically the front half of the classic 3310 750 cfm holley carburetor with 1 38inch venturis and 1 1116inch throttle bore diameters. Cartech book how to super tune and modify holley carburetors. In the holley carburetor handbook, concise text explains the basics of the fuelinlet, idle, mainmetering, secondary and choke systems. Rapid tuneup tricks for your favorite holley carb hot rod. The 03310s is a shiny aluminum version of the classic 0 3310 a hot rod staple for over four decades. Holley 3310 carb question chevy message forum restoration.
This tech tip is from the full book, david vizards how to super tune and modify holley carburetors. Complete history of the holley carburetor muscle car diy. The second page has a bunch of double pumpers, starting with the list 4776. The problem is a lean spike on initial acceleration that seems to be causing audible detonation below 3000prm. While efi tuners routinely use this new technology with great success, surprisingly few carb owners have warmed up to the idea yet. The famed 0 3310 is one of ten inaugrual inductees into the hot rod magazine speed parts hall of fame. Both blocks accept replaceable fuel jets for fine tuning. This guide goes farther than the commercially available books in that it helps you. Oct 23, 2015 if you find a lower price on the same item, change the price and buy.
Modern tuning techniques for holley carburetors dragzine. And this isnt done in the generic way manufacturers market there products. When buying tuning parts for your holley you have two choices. The 750 cfm carburetor features a dual feed fuel inlet, vacuum secondaries and has a universal calibration for easy bolton performance. The famed 03310 is one of the ten original inductees into the hot rod magazine speed parts hall of fame.
Holley carburetor tuningcalibration kits 36182 free. Its simple design and near infinite adjustability have long made it a favorite among enthusiasts. I highly recommend original holley rebuild kits, gaskets, and power valves. The power valve restriction sizes are listed in the tuning books the idle restrictions generally vary from. Carburetor technical support holley performance products. David vizards how to super tune and modify holley carburetors. If the vehicle is light and the engine is large, a lighter spring can be used to accommodate a faster engine speed increase.
The 03310s is a shiny aluminum version of the classic 03310 a hot rod staple for over four decades. Secondary metering block installed to allow tuning and to balance the primarys and secondarys, fuel delivery characteristics for maximum cylinder to cylinder distribution. Holley carburetor tuning guide 4150 carbs part 1 youtube. I also read the same in another holley tuning book.
The holley carburetor is an icon in the performance industry. Holley carburetor tuning how to video v8tv from the archives. The book merged all of the important tuning aspects that directly impacts the carbs tune such. In david vizards how to super tune and modify holley carburetors, best selling author vizard explains the science, the function, and most important, the tuning expertise required to get your holley carburetor to perform its best for your performance application, whether its street, strip, supercharging, or race applications. It was the first true performance carburetor and it became standard equipment on many highperformance automobiles.
Dual feed fuel inlets assure you get all the fuel you need while its vacuum secondaries and manual choke make it amazingly universal. Carburetor tuning guide finetune your corvettes holley. How to rebuild you can get the carb set up and performing at its best. Holley carb baseliningtuning its been a while since ive been asked a carburetorrelated question, but this one came up this week so i figured id do a little writeup. How to adjust tune holley carb carburetor tutorial instructions. Initial jetting recommendations o3310s holley 750 the. After determining the carburetor is a holley, look for the code numbers, usually located on the side of the air horn. Learn how to select, install, tune and modify all popular holley performance carburetors. Fuel pressures above 712 psi can create severe fuel. I refer to it much more than any of the others that i own.
Read holley carburetors online by mike mavrigian books free 30. For example, the number 65 indicates that the valve will open when engine vacuum drops to 6. Books and available at your local holley distributor holley pn. I got a 780 question somebody pieced that together.
This informationpacked guide provides a detailed view of basic carburetor functioning, modifying for performance applications, customtuning for street, racing. Its well known performance calibration and 750 cfm. Tuning tips for holley carburetors and other types of fuel atomizers. Nov 30, 2015 the original 3310 or 3310 1 was a 4150 style carb with a rear metering block and had 72 primary and 76 secondary jets and had both a primary and secondary power valves 8.
Carburetor parts and components holley performance products. Thirty, forty, even fifty years ago, if you looked under the hood of any modified or performance car, you more than likely would discover a holley carburetor lurking there. Feb 16, 20 in a holley tuning book by des hammill he says theres no holley list of metering blocks and what carbs they came on. Often, many enthusiasts first modification is swapping out the factory induction system for a new holley 4barrel carb and intake manifold. Sep 02, 2010 a majority of holley carburetors were engineered as racing or high performance pieces. Smi carburetor street performance holley 4bbl 3310 4160. Author mike mavrigian guides you through each important stage of the holley carb rebuilding process, so you have the best operating carburetor for a particular. My white 74l came with a model 3310s holley 750 vacuum secondary carb. That meant they were and still are equipped with a number of easytooperate external tuning adjustments. Although i really like the idea of the 3310 1, its big, old, and the price is right but i will defer to those with more knowledge and experience. Recommended fuel pressure should be set at 712 psi maximum, 5 psi minimum.
Cartech offers every mustang owner books that will be sure to aide in practically any job. I have several holley books, but the best is the 2nd one down by emanual. Historic holley carburetor milestones rod authority. Holley 4160 tuning help mustang forums at stangnet. Im not going to go into great detail, there are many sites and books do that, but by following these steps, you should get the car running fairly well with a double pumper holley and then you. Jul 16, 2017 the 1950s saw the introduction of the holley series 4150 4barrel on the 1957 thunderbird. The guys who publish the carb tuning books are experts who get paid to do this kind of work. In 1957, holley hit a home run when they released the model 4150 on the 1957 ford thunderbird. Read it carefully and understand how a carburetor works.
The conversion kit adds the rear metering block along with the required different metering block gasket. Tuning the carburetor idle quality by using a simple vacuum gauge can often result in a better setting on the idle. But most of my experience is with motorcycle carbs amal, mikuni, keihin i would need a very thorough tuning guide for the holley. Holley carburetor tuningcalibration kits 36182 summit racing. We gathered information from books, performance industry knowitalls, and the world wide web and we packaged it up into a great little timeline that starts with the earliest holley carburetors starting in 1903 and still going strong with great new carburetor designs almost 110 years later in 2012. The famed 03310 is one of ten inaugrual inductees into the hot rod magazine speed parts hall of fame. This is a numerical list of most holley carburetors from 1934onward. The holley model number is present along with the auto maker part number, if factoryissued, a date and application code. The book covers much more than holley carb tuning too thankfully. Holley carburetor preparation and tuning guide muscle car diy. A guide to how a holley carb works and how to tune it.
Jan 10, 2011 over the past 50 years, the venerable holley carburetor hasnt changed much. You take the engine cubic inch and multiply by the maximum rpm and divide by 3456. Each holley power valve is stamped with a number to indicate its vacuum opening point. Order your cartech sa216 how to super tune and modify holley carburetors book from cj pony parts today. Holley carburetor preparation and tuning guide muscle. Ideal for trackside tuning, these kits provide a quick and easy way to accomplish your. It would have originally had a metering plate in the back with fixed jetting, instead of a metering block that accepts screw in jets, and the vac. I did my best to create a short holley carb tuning series for my fellow holley carb guys. You are going to need at least one for the photos and part numbers. Choose from cj pony parts selection of cartech books for bodywork, engine work, restorations, and interior or electrical instruction. Failure to follow these instructions, including the pictures may result in subsequent system failure. Holley makes several kitsmainly for either the 03310 750 cfm or the 01850 600cfm carbs. Conversely, a heavier vehicle with a smaller engine can benefit from using a stiffer spring to avoid a stumble upon acceleration.
This informationpacked guide provides a detailed view of basic carburetor functioning, modifying for performance applications, custom tuning for street, racing, offroad, turbocharging, economy, and other special uses. If you have an automatic transmission you will need a vacuum sec. How to adjust tune holley carb carburetor tutorial. It had two metering blocks, one for the primary and one for the secondary circuit. This is how i baseline a holley 4150 double pumper carburetor. Aug 16, 2009 the first step was to test the 650cfm carb to create a baseline. The famed 0 3310 is one of the ten original inductees into the hot rod magazine speed parts hall of fame. All the different numbers are very confusing to me, even just within the 3310 series. Plus, its classic gold dichromate finish provides serious muscle car looks and durability. An inline fuel filter should be installed between the fuel pump and the carburetor. Part of the flow discrepancy half of 750 cfm is 375 cfm, not 500 is because holley uses a test depression of 1. Then use what you learn to tune the carburetor you have.
The book merged all of the important tuning aspects that directly impacts the carbs tune such as. Obviously, holley offers original parts at the holley price. Jan 15, 2015 part 1 of 2 a lot of videos are long and provide too much information or are cut short on holley carbs. Jul 16, 2017 holley offers a kit pn 20 that contains several colorcoded springs. Buy a new holley 750 cfm 4barrel carburetor with a manual choke from cj pony parts. Being a 4160, it doesnt allow for changing jets on the secondary side so i purchased a conversion kit and pulled the carb off. Holley carburetor tuningcalibration kits contain a selection of main jets, pump nozzles, and power valves in popular sizes, all contained in a handy and durable compartmentalized plastic case. Bg, or barry grant, also makes parts for holleys, and offers them at a fraction of the holley price. Holley carburetors paperback july 24, 1999 by dave emanuel author 4. Whether youre a carb rookie or an experienced enthusiast, you can tune, repair, and select the proper carb for your vehicle. The first page of listings has the sheet for the common 600 cfm list 1850, and the 750 vacuum secondary list 3310. R120 to r1848a r1849aa to r3607a r3608a to r62761a r6276a to r7253aaa r7262a to r8410a r8411aas to r9778a r9779a to r850. I own at least nine different books on holley carbs, several general repair manuals that.